Anatomy of the Tongue

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Questions and Answers

What is the primary function of filiform papillae on the tongue?

  • To secrete saliva
  • To provide a rough surface for movement of food (correct)
  • To aid in speech production
  • To house taste buds

What is the name of the groove that divides the dorsal surface of the tongue into an anterior 2/3 and a posterior 1/3?

  • Fungiform papillae
  • Lingual tonsils
  • Sulcus terminalis (correct)
  • Vallate papillae

What type of epithelium covers the ventral surface of the tongue?

  • Stratified squamous epithelium with keratinization
  • Cuboidal epithelium
  • Columnar epithelium
  • Non-keratinized stratified squamous epithelium (correct)

Where are the lingual tonsils located?

<p>On the posterior 1/3 of the dorsal surface of the tongue (D)</p> Signup and view all the answers

What is the shape of the fungiform papillae?

<p>Mushroom-shaped (A)</p> Signup and view all the answers

What is the function of the ducts of the glands of von Ebner?

<p>To drain serous products into the groove (C)</p> Signup and view all the answers

What type of cells are found in the taste buds?

<p>Gustatory cells, supportive cells, and basal stem cells (C)</p> Signup and view all the answers

What is the function of the microvilli in taste buds?

<p>To detect taste molecules (A)</p> Signup and view all the answers

What type of epithelium lines the inner surface of the lips?

<p>Wet stratified squamous non-keratinized epithelium (B)</p> Signup and view all the answers

What is the structure of the core of the tongue?

<p>A mass of striated muscle covered by mucosa (D)</p> Signup and view all the answers

What is the characteristic of the dermis in the vermilion zone of the lips?

<p>Lacks salivary or sweat glands and is kept moist with saliva from the tongue (C)</p> Signup and view all the answers

What is the function of the lamina propria in the tongue?

<p>To make the mucous membrane strongly adherent to the muscular core (C)</p> Signup and view all the answers

What is the main function of the minor labial salivary glands in the lips?

<p>To produce mucous for lubrication (D)</p> Signup and view all the answers

What is the core of the lips composed of?

<p>Bundles of striated muscles (A)</p> Signup and view all the answers

What covers the tongue?

<p>A mucous membrane (B)</p> Signup and view all the answers

What is the surface of the lips that is exposed to the outside?

<p>Outer (cutaneous) surface (A)</p> Signup and view all the answers

What type of mucosa lines the inner surface of the lips and cheeks?

<p>Lining mucosa (C)</p> Signup and view all the answers

Where are taste buds typically found in the oral cavity?

<p>On the dorsum of the tongue (A)</p> Signup and view all the answers

What types of glands are found in the oral cavity and are involved in digestion?

<p>Minor salivary glands (C)</p> Signup and view all the answers

What is the structure that forms the underlying layer of the oral mucosa?

<p>Lamina propria (D)</p> Signup and view all the answers

What is the main reason for the pink color of the vermilion zone of the lips?

<p>Richness in sensory innervation and blood capillaries (C)</p> Signup and view all the answers

What is the function of the minor labial salivary glands in the lips?

<p>Produce mucous for lubrication (A)</p> Signup and view all the answers

What type of epithelium lines the inner surface of the lips?

<p>Wet stratified squamous non-keratinized epithelium (D)</p> Signup and view all the answers

What is the characteristic of the core of the lips?

<p>Composed of bundles of striated muscles (C)</p> Signup and view all the answers

What is the main function of the tongue?

<p>Facilitate ingestion and speech (C)</p> Signup and view all the answers

What is the characteristic of the dermis in the vermilion zone of the lips?

<p>Thin and lightly keratinized (D)</p> Signup and view all the answers

What covers the tongue?

<p>Mucous membrane (A)</p> Signup and view all the answers

What is the function of the minor salivary glands in the oral cavity?

<p>Produce mucous for lubrication (C)</p> Signup and view all the answers

What is the characteristic of the epithelium in the vermilion zone of the lips?

<p>Thin and lightly keratinized (A)</p> Signup and view all the answers

What is the outer surface of the lips composed of?

<p>Thin epidermis and underlying dermis with hair follicles, sebaceous and sweat glands (D)</p> Signup and view all the answers

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